JPH0654812A - Patient monitor - Google Patents

Abstract

PURPOSE:To improve the monitoring efficiency of a patient with the visual observation of living body information without reducing a waveform display area by displaying an arbitrary one only for a short time in the result of analysis of a living body signal guided from the living body of the patient. CONSTITUTION:When the living body signal S1 of a patient is transmitted from an electrocardiographical telemeter 2, the living body signal S1 is received by the input module 1A of a patient monitor 1, a processing such as demodulation, etc., is executed and a processed signal 2 is inputted to a CPU 1B. The CPU 1B executes A/D conversion of the living body signal S1, thereafter, executes a prescribed analytic processing in accordance with the instruction of a ROM 1D, and sends an analytic signal S3 containing the result of analysis to a display control part 1F. Subsequently, when an instruction is issued from an operating switch 1C to the CPU 1B so as to display only a respiration waveform in the result of analysis only for a short time, the CPU 1B instructs its fact to the display control part 1F. The display control part 1F receiving the instruction controls a display 1H so as to display only the respiration waveform only for a short time.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a patient monitoring apparatus, and more particularly to a patient monitoring apparatus which is small and capable of monitoring a plurality of patients, or a medium-sized patient monitoring apparatus.

[0002]

2. Description of the Related Art Conventionally, a patient monitoring apparatus has been used which inputs a biological signal derived from a living body of a patient, analyzes it by performing a predetermined process, and constantly monitors the condition of the patient.
It is well known that it makes a great contribution to the diagnosis and treatment of patients. However, in the conventional patient monitoring device, since the device itself is large, there is a possibility that the space for action may be narrowed by placing the device in a narrow ICU, CCU, etc., which may interfere with patient monitoring and diagnostic treatment. For this reason, recently, for the purpose of reducing the space occupation rate due to the installation of the patient monitoring device, for example, a small patient monitoring device having a 5-inch display screen has been used. . Further, in order to efficiently monitor a large number of patients, a method is adopted in which the display screen of the small patient monitoring device is divided into a plurality of display screens to display biometric information of a plurality of patients. .

[0003]

However, there are the following problems in the above-described conventional patient monitoring apparatus which is small in size and is capable of monitoring a plurality of patients. That is, as described above, in a small patient monitor,
Since a display screen of about 5 inches is used, the waveform to be displayed must be naturally smaller than that of other normal patient monitoring devices, which may hinder accurate visual observation. Further, since the biological information of a plurality of patients is displayed on the display screen at the same time, the display area of one waveform must be smaller than that of a normal small patient monitoring device.
From this point as well, it becomes difficult to confirm the waveform more accurately on the screen. That is, in the conventional small patient monitoring device, the electrocardiogram waveform, heart rate, respiratory waveform, etc. of a plurality of patients are displayed on the display screen, but these waveforms cannot be effectively utilized, The monitoring efficiency of is extremely low. An object of the present invention is to improve the monitoring efficiency of a patient by performing more accurate visual observation of biological information on a display screen.

[0004]

Means for Solving the Problems The above-mentioned problems are solved by selecting an input means 1A for a biological signal S1 derived from a living body of a patient, an analysis means 1B for analyzing the input biological signal S1, and an analysis result. With a patient monitoring device characterized by comprising display means 1I capable of displaying an object for a short time,
Can be resolved.

[0005]

As described above, according to the present invention, any of the analysis results can be displayed for a short time. According to the above configuration, even when patient monitoring is performed by a device that is small and capable of monitoring a plurality of patients, for example, the electrocardiographic waveform 11 (FIG. 2) that requires display of the entire waveform can be more accurately viewed. Respiratory waveform 12 (Fig. 2) that can be possible and at the same time does not necessarily require visual inspection of the entire waveform
By displaying for a short time on a part of the display screen, the state of breathing can be confirmed. That is, it is possible to more accurately view the biological information on the display screen without reducing the waveform display area, and it is possible to contribute to improvement of patient monitoring efficiency.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the accompanying drawings by way of embodiments. The present invention, as set forth in claim 1,
The input means 1A receives the biological signal S1 derived from the patient's biological body.
And analysis means 1 for analyzing the input biomedical signal S1
A patient monitoring device comprising B and a display means 1I capable of displaying any of the analysis results for a short time.

FIG. 1 is an overall view showing an embodiment of the present invention. In the figure, reference numeral 1 is a patient monitoring device, 2 is an electrocardiographic telemeter, and in this embodiment, a biological signal S1 transmitted from the electrocardiographic telemeter 2 is received and analyzed by the patient monitoring device 1 according to the present invention. This is an example of a wireless system for processing. However, the present invention is not limited to the wireless system,
Of course, it can be applied to a wired system.
Further, in this embodiment, a small patient monitor having a 5-inch display screen will be described, but the present invention can be applied to a normal patient monitor. As is well known, the electrocardiographic telemeter 2 collects a biological signal such as an electrocardiogram signal via a living body induction electrode attached to a living body of a patient, and receives the biological signal at a remote place, for example, according to the present invention. It is a device that transmits to the patient monitoring device 1. As described above, the patient monitoring apparatus 1 according to the present invention includes the input unit 1A, the analysis unit 1B, and the display unit 1I. The input unit 1A is a device for inputting the biological signal S1 derived from the living body of the patient to the patient monitoring device 1, and is, for example, an input module as illustrated. In this embodiment, since the method of wirelessly transmitting the biomedical signal S1 to the patient monitoring apparatus 1 by the electrocardiographic telemeter 2 is adopted, a predetermined process such as receiving and demodulating the biomedical signal S1 in this input module is performed. Then, the processed signal S2 is sent to the analyzing means 1B in the next stage. The analysis means 1B is, for example, a CPU. This CPU1
B is a device that receives the signal S2 processed by the input module 1A, performs A / D conversion, performs a predetermined analysis process according to an instruction of a ROM 1D described later, and sends the analysis result to the display control unit 1F. . In addition, the analysis unit 1B represented by the CPU controls the entire patient monitoring apparatus 1. A ROM is attached to the analysis means 1B as an auxiliary device.
There are 1D, RAM 1E, and operation switch 1C (FIG. 1). The ROM 1D is a device for instructing and controlling analysis processing by the CPU, the RAM 1E is a device for temporarily storing the biological signal input to the CPU for analysis processing, and the operation switch 1C is for patient monitoring. This is a device for operating the entire device 1. The display means 1I is a device that can be formed of, for example, a liquid crystal display and can display any of the analysis results for a short time. As a device for controlling the display means 1I, there is a display control section 1F, which receives and analyzes an analysis signal S3 including the analysis result sent from the CPU, and which displays for a short time according to the instruction of the CPU 1B3. Then, the video signal S5 is output. In addition, the following devices are included in the patient monitoring device 1. That is, the recording means 1J is a device for recording the analysis signal S3 on recording paper,
For example, it can be formed by a recorder. As a device for controlling the recording means 1J, there is a recording control unit 1G,
Control for recording on recording paper via the recorder is performed.
The sound generator 1H is a device which inputs the analysis signal S3 from the analysis means 1B, outputs an alarm signal S7 when an abnormal waveform or the like is detected, and sounds a warning sound or the like by the speaker 1K. In addition, the power supply 1L is a power supply device for driving each of the above-described components of the patient monitoring device 1.

A display example of the analysis result by the patient monitoring apparatus 2 having the above configuration will be described below. FIG. 2 shows a display example on the screen of the display unit 1I which constitutes the patient monitoring apparatus 1. 2A shows a display example of the patient A, and FIG. 2B shows a display example of the patient B. The meaning of the displayed information is shown in Fig. 2.
Since both (A) and FIG. 2 (B) are the same, only FIG. 2 (A) will be referred to below. Reference numeral 11
Is an electrocardiogram waveform. Reference numeral 12 is a respiratory waveform, by which the respiratory condition of the patient A can be known. Reference numeral 13 is an electrocardiogram waveform recording switch,
This operation is performed when it is desired to record the electrocardiogram of the patient A being monitored, or the electrocardiogram and the respiratory waveform on the recording paper via the recorder 1J (FIG. 1). Reference numeral 14 indicates the time (seconds) when the apnea condition occurs, and becomes 0 when the breathing continues. Then, reference numeral 15
Is the maximum value in the apnea state, and in FIG. 2 (A), when the apnea state reaches 15 seconds, the alarm sounds. Reference numeral 16 is a respiratory rate display showing the current respiratory rate. Reference numeral 17 is a heart rate display showing the current heart rate. Reference numeral 18 indicates the maximum value and the minimum value of the heart rate 17. That is, when the heart rate 17 exceeds the maximum value of 120 and falls below the minimum value of 40, the alarm sounds. Reference numeral 19 indicates a dead battery of the electrocardiographic telemeter 2 (FIG. 1), 20 indicates an electrode disengagement, and 21 indicates a nacelle. -Displayed when you press the button. Note that the above three displays are not normally displayed, and are displayed only when the battery of the electrocardiographic telemeter runs out, when the electrodes are removed, and when the nacelle is pressed. It is something. Reference numeral 22 is a respiration synchronization mark, which increases or decreases according to the movement of respiration.

In the display example of FIG. 2, an electrocardiogram waveform 11
Is displayed on the screen for 4 seconds (sweep speed 2
At 5 mm / sec). In the present embodiment, the numbers 17 and the like indicating the heart rate are all displayed at a concentration lower than that of the electrocardiogram waveform 11 and the respiratory waveform 12, so that displaying on the waveform does not hinder diagnosis. Is done. In contrast to the electrocardiogram waveform 11 displayed for 4 seconds as described above, the respiratory waveform 12 is displayed for only about 1 second as shown (when the sweep speed is 6.25 mm / second). Normally, it is effective for diagnosis to display the respiratory waveform as well as the electrocardiogram waveform for a few ten seconds, but it is possible to know the respiratory state by displaying only a part of the waveform as described above. . Further, as shown in the figure, since the respiratory sync mark 22 is normally displayed, it is possible to know the respiratory state by the combination of the respiratory waveform 12 and the respiratory sync mark 22. . Regarding the recording, the respiratory waveform can be recorded together with the electrocardiogram as in the conventional case.

A series of operations from the input of the biological signal S1 of the patient to the recording will be described below. That is, in FIG. 1, when the electrocardiographic telemeter 2 transmits the biomedical signals S1 of the patients A and B, the biomedical signals S1 are received by the input module 1A of the patient monitoring apparatus 1 and undergo processing such as demodulation. The processed signal S2 is input to the CPU 1B. CPU1B
In A, after performing the A / D conversion of the biological signal S1, a predetermined analysis process is performed according to the instruction of the ROM 1D (FIG. 1), and the analysis signal S3 including the analysis result is sent to the display control unit 1F. At this time, the operation switches 1C to C
When an instruction is sent to the PU 1B to display only the respiratory waveform 12 in the analysis result (FIG. 2) for a short time, the CPU 1B instructs the display control unit 1F to that effect. The display control unit 1F which receives the instruction from the CPU 1B controls the display 1I so that only the respiratory waveform 12 is displayed for a short time. As a result, the screen as shown in FIG. 2 is displayed.

[0011]

As described above, according to the present invention, the biological signal S1 derived from the living body of the patient is input means 1A, the analyzing means 1B for analyzing the input biological signal S1 and the analysis result. A technical means called a patient monitoring device has been devised, characterized in that it comprises a display means 1I capable of displaying an arbitrary one for a short time. According to the above configuration, even when patient monitoring is performed by a device that is small and capable of monitoring a plurality of patients, for example, the electrocardiographic waveform 11 (FIG. 2) that requires display of the entire waveform can be more accurately viewed. At the same time, it is possible to confirm the breathing state by displaying the respiratory waveform 13 that does not necessarily require visual observation of the entire waveform on a part of the display screen for a short time. That is, it is possible to more accurately view the biological information on the display screen without reducing the waveform display area,
It has a technical effect that it is possible to improve the efficiency of patient monitoring.

[Brief description of drawings]

FIG. 1 is an overall view showing an embodiment of the present invention.

FIG. 2 is a diagram showing a display example according to the present invention.

[Explanation of symbols]

 1A input means 1B analysis means 1I display means

Claims (3)

[Claims] 1. An input unit 1A for inputting a biological signal S1 derived from a living body of a patient, an analyzing unit 1B for analyzing the input biological signal S1, and an arbitrary analysis result can be displayed for a short time. And a display means 1I. 2. The patient monitoring apparatus according to claim 1, wherein any one of the analysis results is a respiratory waveform 12. 3. The patient monitor according to claim 2, wherein a respiratory sync mark 22 is displayed which is synchronized with the respiratory waveform 12.